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Non-Mineral Lease (Tables)
 12 Months Ended
Dec. 31, 2022
Leases [Abstract]  
Right-of-Use Assets and Lease Liabilities
The following table summarizes the right-of-use assets and lease liabilities for both the operating and finance leases on our consolidated balance sheet as of December 31:
Millions of Dollars
20222021
Operating
Leases		Finance
Leases		Operating
Leases		Finance
Leases
Right-of-Use Assets
Properties, plants and equipment
Gross2,043 1,812 
Accumulated DD&A(1,022)(857)
Net PP&E*
1,021 955 
Prepaid expenses and other current assets16 2 
Other assets536 649 
Lease Liabilities
Short-term debt**
284 280 
Other accruals155 188 
Long-term debt***
1,036 981 
Other liabilities and deferred credits390 479 
Total lease liabilities$545 1,320 667 1,261 
    *  Includes proportionately consolidated finance lease assets of $171 million at December 31, 2022 and $208 million at December 31, 2021.
  **  Includes proportionately consolidated finance lease liabilities of $169 million at December 31, 2022 and $154 million at December 31, 2021.
***   Includes proportionately consolidated finance lease liabilities of $399 million at December 31, 2022 and $462 million at December 31, 2021.
Lease Cost
The following table summarizes our lease costs:
Millions of Dollars
202220212020
Lease Cost*
Operating lease cost$212 278 321 
Finance lease cost
Amortization of right-of-use assets189 148 163 
Interest on lease liabilities32 27 34 
Short-term lease cost**
94 21 42 
Total lease cost***
$527 474 560 
*    The amounts presented in the table above have not been adjusted to reflect amounts recovered or reimbursed from oil and gas coventurers.
**   Short-term leases are not recorded on our consolidated balance sheet.
*** Variable lease cost and sublease income are immaterial for the periods presented and therefore are not included in the table above.
Lease Term and Discount Rate
The following table summarizes the lease terms and discount rates as of December 31:
20222021
Lease Term and Discount Rate
Weighted-average term (years)
Operating leases5.645.97
Finance leases6.607.49
Weighted-average discount rate (percent)
Operating leases2.99 2.66 
Finance leases3.40 3.24 
Other Information
The following table summarizes other lease information:
Millions of Dollars
202220212020
Other Information*
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases$148 204 232 
Operating cash flows from finance leases30 6 11 
Financing cash flows from finance leases166 73 255 
Right-of-use assets obtained in exchange for operating lease liabilities$114 174 250 
Right-of-use assets obtained in exchange for finance lease liabilities256 447 426 
*The amounts presented in the table above have not been adjusted to reflect amounts recovered or reimbursed from oil and gas coventurers. In addition, pursuant to other applicable accounting guidance, lease payments made in connection with preparing another asset for its intended use are reported in the "Cash Flows From Investing Activities" section of our consolidated statement of cash flows.
Maturity of Lease Liabilities
The following table summarizes future lease payments for operating and finance leases at December 31, 2022:
Millions of Dollars
Operating
Leases
Finance
 Leases
Maturity of Lease Liabilities
2023$169 356 
2024126 215 
202581 210 
202659 207 
202746 164 
Remaining years118 352 
Total*
599 1,504 
Less: portion representing imputed interest(54)(184)
Total lease liabilities$545 $1,320 
*Future lease payments for operating and finance leases commencing on or after January 1, 2019, also include payments related to non-lease components in accordance with our election to adopt the optional practical expedient not to separate lease components apart from non-lease components for accounting purposes. In addition, future payments related to operating and finance leases proportionately consolidated by the company have been included in the table on a proportionate basis consistent with our respective ownership interest in the underlying investee company or oil and gas venture.